#252F7D#252F7D

#252F7D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.131 H 272.1°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#252F7D
RGB	rgb(37, 47, 125)
HSL	hsl(233, 54%, 32%)
HSV	hsv(233, 70%, 49%)
CMYK	cmyk(70.4%, 62.4%, 0%, 51%)
CIE-LAB	lab(23.36, 23.50, -45.57)
CIE-LCH	lch(23.36, 51.27, 297.29°)
OKLab	oklab(34.86% 0.0048 -0.1314)
OKLCH	oklch(34.86% 0.131 272.1)
XYZ	xyz(5.4799, 3.9065, 19.8633)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F7D #7D7325

analogous

#255B7D #252F7D #47257D

triadic

#252F7D #7D252F #2F7D25

tetradic

#252F7D #7D255B #7D7325 #257D47

square

#252F7D #7D255B #7D7325 #257D47

split-complementary

#252F7D #7D4725 #5B7D25

monochromatic

#090B1F #171D4E #252F7D #3341AC #515FCB

Accessibility & contrast

On white

11.79

#252F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#252F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F7D

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F7D	#FFFFFF	#000000	##FFFFFF
##252F7D	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C80

Deuteranopia (green-blind)

#00347B

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #252f7d;
/* rgb */ color: rgb(37, 47, 125);
/* oklch */ color: oklch(34.9% 0.131 272.1);

Tailwind

colors: {
  custom: {
    50: '#6c67a3',
    500: '#252f7d',
    950: '#000000',
  },
}

SCSS

$custom: #252f7d;
$custom-light: #6c67a3;
$custom-dark: #000000;

JSON

{
  "hex": "#252f7d",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 125
  },
  "hsl": {
    "h": 233.182,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34858,
    "c": 0.13145,
    "h": 272.1
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#252F7D

secondary

#AFA44F

accent

#CD4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #252F7D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →